html, body { width: 100%; height: 100%; overflow: hidden; margin: 0; font-family: 'microsoft yahei'; background-color:#b7cad3 ;font-size:14px; }
html { _height: auto; _padding: 50px 0 0px; }

/*主框架*/
.install_main { background-image:url(../images/install_bg.jpg); background-repeat:no-repeat; width:902px; height:545px; position:absolute; top:50%; left:50%; margin-left:-451px; margin-top:-273px}
.install_menu { width:249px; margin-left:1px; margin-top:204px; color:#3c6174; font-size:14px; float:left }
.install_menu li { background-image:url(../images/install_menu_bg.jpg); height:37px; border-bottom:1px solid #d4dde2; line-height:37px; padding-left:20px;}
.install_menu .selected {background-image:url(../images/install_menu_hover.jpg); background-repeat:no-repeat; border:none; position:relative; width:261px; height:39px; line-height:39px; top:-1px;  }
.install_content { width:610px; height:410px; margin-top:30px; float:right}
.install_content .title { font-size:20px; color:#49585f;}
.install_content .central { width:590px; height:370px; overflow-y:scroll; margin-top:20px; line-height:30px; color:#8ea3ac }
.install_content .central h1 { border-bottom:1px dotted #ccc; margin-top:10px; padding-bottom:10px; margin-bottom:10px; font-size:16px;}
.install_content .central .m-form {}
.install_content .central .m-form .formitm .lab { text-align:left; width:120px ; color:#6d7a80;}

.install_content .central .m-form .formitm .ipt { margin-left:120px;}
.install_content .central .m-form .formitm .u-ipt { border:1px solid #b0bdc4; border-radius:3px; height:20px; line-height:20px;}
.install_content .bottuns { margin-top:40px; text-align:center; color:#49585f}
.install_content .bottuns a { color:#F90}
.install_content .bottuns button { background:url(../images/install_next.jpg); background-repeat:no-repeat; width:102px; height:37px; border:none}
